US Bridges

Chinaberry Dr. over Coulee

PoorPosted for load

Acadia Parish, Louisiana · 0.1 Mi. S. of LA 91 · Structure no. 030130270922791

Built
1974
51 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
35 ft
2 main spans
Daily traffic
48
2020 count
Owner
County
County Highway Agency

About this bridge

Chinaberry Dr. over Coulee is a wood or timber stringer/multi-beam or girder carrying Chinaberry Dr. over Coulee in Acadia Parish, Louisiana. It was built in 1974, so it is 51 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 48 vehicles a day, projected to reach 52 by 2040. The structure is 35 ft (10.7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesChinaberry Dr.
CrossesCoulee
Location0.1 Mi. S. of LA 91
RouteCounty Highway 0
CountyAcadia Parish
StateLouisiana
Coordinates30.45036, -92.4657
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18 US tons
Inventory rating12 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 10
Structure length35 ft (10.7 m)
Longest span18 ft (5.5 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2020)
Projected traffic52 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$154,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chinaberry Dr. over Coulee built?

It was built in 1974, making it 51 years old in 2025.

What condition is Chinaberry Dr. over Coulee in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Chinaberry Dr. over Coulee carry?

About 48 vehicles per day (2020 count).

How long is Chinaberry Dr. over Coulee?

The structure is 35 ft (10.7 m) long with a longest span of 18 ft (5.5 m) and a deck 22 ft wide.

Who owns Chinaberry Dr. over Coulee?

It is owned by the County Highway Agency.